Watercraft stabilizing flotation structure



FIG. 1 is a perspective view of watercraft stabilizing flotation structure showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a watercraft stabilizing flotation structure, as shown and described. 